rpc: add wallet txs.
rpc: add wallet txs.

VidaID/bcoin,decentraland/bronzeage-node,decentraland/decentraland-node,decentraland/decentraland-node,decentraland/bronzeage-node,decentraland/bronzeage-node,decentraland/decentraland-node,VidaID/bcoin,VidaID/bcoin